Specifications

TouchPad button board
Description Spare part number
TouchPad button board (includes TouchPad button board bracket, TouchPad button board cable,
and TouchPad board cable)
718437-001
Before removing the TouchPad button board, follow these steps:
1. Turn off the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the battery (see
Battery on page 30) and then remove the following components:
a. Hard drive (see
Hard drive on page 31)
b. Memory module service cover (see
Memory module on page 36)
c. Optical drive (see
Optical drive on page 38)
d. Keyboard (see
Keyboard on page 42)
e. Top cover (see
Top cover on page 45)
Remove the TouchPad button board:
1.
Detach the TouchPad button board cable (1) from the TouchPad. (The TouchPad button board
cable is attached to the TouchPad with double-sided tape.)
2. Release the ZIF connector (2) to which the TouchPad cable is attached, and then disconnect the
TouchPad cable from the TouchPad board.
3. Remove the two Phillips PM2.5×4.0 screws (3) that secure the TouchPad button board to the top
cover.
4. Remove the TouchPad button board bracket (4).
50 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts